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Finding the Third Proportional to 231,440 and 507,264

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Solution

The third proportional to 231,440 and 507,264 is: 1,111,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,440 : 507,264 = 507,264 : x
  2. Step 2: Convert to fraction form
    231,440/507,264 = 507,264/x
  3. Step 3: Cross multiply
    231,440x = 507,264 × 507,264
  4. Step 4: Simplify right side
    231,440x = 257,316,765,696
  5. Step 5: Solve for x
    x = 257,316,765,696/231,440
  6. Step 6: Final answer
    x = 1,111,807.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.