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Finding the Third Proportional to 28,710,381 and 63,000,909

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Solution

The third proportional to 28,710,381 and 63,000,909 is: 138,246,668.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710,381 : 63,000,909 = 63,000,909 : x
  2. Step 2: Convert to fraction form
    28,710,381/63,000,909 = 63,000,909/x
  3. Step 3: Cross multiply
    28,710,381x = 63,000,909 × 63,000,909
  4. Step 4: Simplify right side
    28,710,381x = 3,969,114,534,826,281
  5. Step 5: Solve for x
    x = 3,969,114,534,826,281/28,710,381
  6. Step 6: Final answer
    x = 138,246,668.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.