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Finding the Third Proportional to 506,289 and 712,158

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Solution

The third proportional to 506,289 and 712,158 is: 1,001,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,289 : 712,158 = 712,158 : x
  2. Step 2: Convert to fraction form
    506,289/712,158 = 712,158/x
  3. Step 3: Cross multiply
    506,289x = 712,158 × 712,158
  4. Step 4: Simplify right side
    506,289x = 507,169,016,964
  5. Step 5: Solve for x
    x = 507,169,016,964/506,289
  6. Step 6: Final answer
    x = 1,001,738.17

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.