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Finding the Third Proportional to 127,547 and 278,058

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Solution

The third proportional to 127,547 and 278,058 is: 606,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,547 : 278,058 = 278,058 : x
  2. Step 2: Convert to fraction form
    127,547/278,058 = 278,058/x
  3. Step 3: Cross multiply
    127,547x = 278,058 × 278,058
  4. Step 4: Simplify right side
    127,547x = 77,316,251,364
  5. Step 5: Solve for x
    x = 77,316,251,364/127,547
  6. Step 6: Final answer
    x = 606,178.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.