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Finding the Third Proportional to 176,214 and 272,959

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Solution

The third proportional to 176,214 and 272,959 is: 422,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,214 : 272,959 = 272,959 : x
  2. Step 2: Convert to fraction form
    176,214/272,959 = 272,959/x
  3. Step 3: Cross multiply
    176,214x = 272,959 × 272,959
  4. Step 4: Simplify right side
    176,214x = 74,506,615,681
  5. Step 5: Solve for x
    x = 74,506,615,681/176,214
  6. Step 6: Final answer
    x = 422,818.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.