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Finding the Third Proportional to 21,293,442 and 46,174,320

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Solution

The third proportional to 21,293,442 and 46,174,320 is: 100,127,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293,442 : 46,174,320 = 46,174,320 : x
  2. Step 2: Convert to fraction form
    21,293,442/46,174,320 = 46,174,320/x
  3. Step 3: Cross multiply
    21,293,442x = 46,174,320 × 46,174,320
  4. Step 4: Simplify right side
    21,293,442x = 2,132,067,827,462,400
  5. Step 5: Solve for x
    x = 2,132,067,827,462,400/21,293,442
  6. Step 6: Final answer
    x = 100,127,909.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.