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Finding the Third Proportional to 60,490 and 88,623

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Solution

The third proportional to 60,490 and 88,623 is: 129,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,490 : 88,623 = 88,623 : x
  2. Step 2: Convert to fraction form
    60,490/88,623 = 88,623/x
  3. Step 3: Cross multiply
    60,490x = 88,623 × 88,623
  4. Step 4: Simplify right side
    60,490x = 7,854,036,129
  5. Step 5: Solve for x
    x = 7,854,036,129/60,490
  6. Step 6: Final answer
    x = 129,840.24

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.