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Finding the Third Proportional to 602,428 and 803,148

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Solution

The third proportional to 602,428 and 803,148 is: 1,070,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,428 : 803,148 = 803,148 : x
  2. Step 2: Convert to fraction form
    602,428/803,148 = 803,148/x
  3. Step 3: Cross multiply
    602,428x = 803,148 × 803,148
  4. Step 4: Simplify right side
    602,428x = 645,046,709,904
  5. Step 5: Solve for x
    x = 645,046,709,904/602,428
  6. Step 6: Final answer
    x = 1,070,744.90

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.