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Finding the Third Proportional to 61,880,998 and 131,138,342

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Solution

The third proportional to 61,880,998 and 131,138,342 is: 277,908,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,880,998 : 131,138,342 = 131,138,342 : x
  2. Step 2: Convert to fraction form
    61,880,998/131,138,342 = 131,138,342/x
  3. Step 3: Cross multiply
    61,880,998x = 131,138,342 × 131,138,342
  4. Step 4: Simplify right side
    61,880,998x = 17,197,264,742,508,964
  5. Step 5: Solve for x
    x = 17,197,264,742,508,964/61,880,998
  6. Step 6: Final answer
    x = 277,908,652.06

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.