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Finding the Third Proportional to 78,963,510 and 170,412,256.50

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Solution

The third proportional to 78,963,510 and 170,412,256.50 is: 367,769,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,963,510 : 170,412,256.50 = 170,412,256.50 : x
  2. Step 2: Convert to fraction form
    78,963,510/170,412,256.50 = 170,412,256.50/x
  3. Step 3: Cross multiply
    78,963,510x = 170,412,256.50 × 170,412,256.50
  4. Step 4: Simplify right side
    78,963,510x = 29,040,337,165,421,792
  5. Step 5: Solve for x
    x = 29,040,337,165,421,792/78,963,510
  6. Step 6: Final answer
    x = 367,769,076.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.