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Finding the Third Proportional to 21,875,658 and 47,142,708

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Solution

The third proportional to 21,875,658 and 47,142,708 is: 101,593,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875,658 : 47,142,708 = 47,142,708 : x
  2. Step 2: Convert to fraction form
    21,875,658/47,142,708 = 47,142,708/x
  3. Step 3: Cross multiply
    21,875,658x = 47,142,708 × 47,142,708
  4. Step 4: Simplify right side
    21,875,658x = 2,222,434,917,573,264
  5. Step 5: Solve for x
    x = 2,222,434,917,573,264/21,875,658
  6. Step 6: Final answer
    x = 101,593,968.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.