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Finding the Third Proportional to 158,034 and 212,877

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Solution

The third proportional to 158,034 and 212,877 is: 286,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,034 : 212,877 = 212,877 : x
  2. Step 2: Convert to fraction form
    158,034/212,877 = 212,877/x
  3. Step 3: Cross multiply
    158,034x = 212,877 × 212,877
  4. Step 4: Simplify right side
    158,034x = 45,316,617,129
  5. Step 5: Solve for x
    x = 45,316,617,129/158,034
  6. Step 6: Final answer
    x = 286,752.33

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.