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Finding the Third Proportional to 102,312 and 221,792

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Solution

The third proportional to 102,312 and 221,792 is: 480,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,312 : 221,792 = 221,792 : x
  2. Step 2: Convert to fraction form
    102,312/221,792 = 221,792/x
  3. Step 3: Cross multiply
    102,312x = 221,792 × 221,792
  4. Step 4: Simplify right side
    102,312x = 49,191,691,264
  5. Step 5: Solve for x
    x = 49,191,691,264/102,312
  6. Step 6: Final answer
    x = 480,800.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.