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Finding the Third Proportional to 113,576,820 and 247,053,480

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Solution

The third proportional to 113,576,820 and 247,053,480 is: 537,393,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,576,820 : 247,053,480 = 247,053,480 : x
  2. Step 2: Convert to fraction form
    113,576,820/247,053,480 = 247,053,480/x
  3. Step 3: Cross multiply
    113,576,820x = 247,053,480 × 247,053,480
  4. Step 4: Simplify right side
    113,576,820x = 61,035,421,980,110,400
  5. Step 5: Solve for x
    x = 61,035,421,980,110,400/113,576,820
  6. Step 6: Final answer
    x = 537,393,298.92

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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.