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Finding the Third Proportional to 153,856,944 and 220,000,680

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Solution

The third proportional to 153,856,944 and 220,000,680 is: 314,579,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,856,944 : 220,000,680 = 220,000,680 : x
  2. Step 2: Convert to fraction form
    153,856,944/220,000,680 = 220,000,680/x
  3. Step 3: Cross multiply
    153,856,944x = 220,000,680 × 220,000,680
  4. Step 4: Simplify right side
    153,856,944x = 48,400,299,200,462,400
  5. Step 5: Solve for x
    x = 48,400,299,200,462,400/153,856,944
  6. Step 6: Final answer
    x = 314,579,881.43

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.