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Finding the Third Proportional to 344,445 and 506,461

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Solution

The third proportional to 344,445 and 506,461 is: 744,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,445 : 506,461 = 506,461 : x
  2. Step 2: Convert to fraction form
    344,445/506,461 = 506,461/x
  3. Step 3: Cross multiply
    344,445x = 506,461 × 506,461
  4. Step 4: Simplify right side
    344,445x = 256,502,744,521
  5. Step 5: Solve for x
    x = 256,502,744,521/344,445
  6. Step 6: Final answer
    x = 744,684.19

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.