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Finding the Third Proportional to 39,931,687 and 61,339,960

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Solution

The third proportional to 39,931,687 and 61,339,960 is: 94,225,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931,687 : 61,339,960 = 61,339,960 : x
  2. Step 2: Convert to fraction form
    39,931,687/61,339,960 = 61,339,960/x
  3. Step 3: Cross multiply
    39,931,687x = 61,339,960 × 61,339,960
  4. Step 4: Simplify right side
    39,931,687x = 3,762,590,692,801,600
  5. Step 5: Solve for x
    x = 3,762,590,692,801,600/39,931,687
  6. Step 6: Final answer
    x = 94,225,688.31

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.