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Finding the Third Proportional to 61,502,334 and 86,510,781

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Solution

The third proportional to 61,502,334 and 86,510,781 is: 121,688,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,502,334 : 86,510,781 = 86,510,781 : x
  2. Step 2: Convert to fraction form
    61,502,334/86,510,781 = 86,510,781/x
  3. Step 3: Cross multiply
    61,502,334x = 86,510,781 × 86,510,781
  4. Step 4: Simplify right side
    61,502,334x = 7,484,115,229,229,961
  5. Step 5: Solve for x
    x = 7,484,115,229,229,961/61,502,334
  6. Step 6: Final answer
    x = 121,688,312.34

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.