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Finding the Third Proportional to 69,908,004 and 108,542,648

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Solution

The third proportional to 69,908,004 and 108,542,648 is: 168,528,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,908,004 : 108,542,648 = 108,542,648 : x
  2. Step 2: Convert to fraction form
    69,908,004/108,542,648 = 108,542,648/x
  3. Step 3: Cross multiply
    69,908,004x = 108,542,648 × 108,542,648
  4. Step 4: Simplify right side
    69,908,004x = 11,781,506,434,851,904
  5. Step 5: Solve for x
    x = 11,781,506,434,851,904/69,908,004
  6. Step 6: Final answer
    x = 168,528,720.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.