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Finding the Third Proportional to 4,217,429,878.88 and 8,783,933,932.13

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Solution

The third proportional to 4,217,429,878.88 and 8,783,933,932.13 is: 18,294,908,875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217,429,878.88 : 8,783,933,932.13 = 8,783,933,932.13 : x
  2. Step 2: Convert to fraction form
    4,217,429,878.88/8,783,933,932.13 = 8,783,933,932.13/x
  3. Step 3: Cross multiply
    4,217,429,878.88x = 8,783,933,932.13 × 8,783,933,932.13
  4. Step 4: Simplify right side
    4,217,429,878.88x = 77,157,495,323,936,964,608
  5. Step 5: Solve for x
    x = 77,157,495,323,936,964,608/4,217,429,878.88
  6. Step 6: Final answer
    x = 18,294,908,875.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.