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Finding the Third Proportional to 285,312.38 and 674,730

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Solution

The third proportional to 285,312.38 and 674,730 is: 1,595,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,312.38 : 674,730 = 674,730 : x
  2. Step 2: Convert to fraction form
    285,312.38/674,730 = 674,730/x
  3. Step 3: Cross multiply
    285,312.38x = 674,730 × 674,730
  4. Step 4: Simplify right side
    285,312.38x = 455,260,572,900
  5. Step 5: Solve for x
    x = 455,260,572,900/285,312.38
  6. Step 6: Final answer
    x = 1,595,656.60

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.