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Finding the Third Proportional to 10,413 and 21,988.13

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Solution

The third proportional to 10,413 and 21,988.13 is: 46,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413 : 21,988.13 = 21,988.13 : x
  2. Step 2: Convert to fraction form
    10,413/21,988.13 = 21,988.13/x
  3. Step 3: Cross multiply
    10,413x = 21,988.13 × 21,988.13
  4. Step 4: Simplify right side
    10,413x = 483,477,641.02
  5. Step 5: Solve for x
    x = 483,477,641.02/10,413
  6. Step 6: Final answer
    x = 46,430.20

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.