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Finding the Third Proportional to 98,355,720 and 158,031,180

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Solution

The third proportional to 98,355,720 and 158,031,180 is: 253,913,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,355,720 : 158,031,180 = 158,031,180 : x
  2. Step 2: Convert to fraction form
    98,355,720/158,031,180 = 158,031,180/x
  3. Step 3: Cross multiply
    98,355,720x = 158,031,180 × 158,031,180
  4. Step 4: Simplify right side
    98,355,720x = 24,973,853,852,192,400
  5. Step 5: Solve for x
    x = 24,973,853,852,192,400/98,355,720
  6. Step 6: Final answer
    x = 253,913,588.88

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.