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Finding the Third Proportional to 11,291,143.50 and 17,966,421

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Solution

The third proportional to 11,291,143.50 and 17,966,421 is: 28,588,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291,143.50 : 17,966,421 = 17,966,421 : x
  2. Step 2: Convert to fraction form
    11,291,143.50/17,966,421 = 17,966,421/x
  3. Step 3: Cross multiply
    11,291,143.50x = 17,966,421 × 17,966,421
  4. Step 4: Simplify right side
    11,291,143.50x = 322,792,283,549,241
  5. Step 5: Solve for x
    x = 322,792,283,549,241/11,291,143.50
  6. Step 6: Final answer
    x = 28,588,095.05

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.