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Finding the Third Proportional to 70,416 and 153,468

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Solution

The third proportional to 70,416 and 153,468 is: 334,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,416 : 153,468 = 153,468 : x
  2. Step 2: Convert to fraction form
    70,416/153,468 = 153,468/x
  3. Step 3: Cross multiply
    70,416x = 153,468 × 153,468
  4. Step 4: Simplify right side
    70,416x = 23,552,427,024
  5. Step 5: Solve for x
    x = 23,552,427,024/70,416
  6. Step 6: Final answer
    x = 334,475.50

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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.