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Finding the Third Proportional to 124,908 and 202,428

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Solution

The third proportional to 124,908 and 202,428 is: 328,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,908 : 202,428 = 202,428 : x
  2. Step 2: Convert to fraction form
    124,908/202,428 = 202,428/x
  3. Step 3: Cross multiply
    124,908x = 202,428 × 202,428
  4. Step 4: Simplify right side
    124,908x = 40,977,095,184
  5. Step 5: Solve for x
    x = 40,977,095,184/124,908
  6. Step 6: Final answer
    x = 328,058.21

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.