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Finding the Third Proportional to 87,273,538.88 and 189,869,762.25

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Solution

The third proportional to 87,273,538.88 and 189,869,762.25 is: 413,075,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,273,538.88 : 189,869,762.25 = 189,869,762.25 : x
  2. Step 2: Convert to fraction form
    87,273,538.88/189,869,762.25 = 189,869,762.25/x
  3. Step 3: Cross multiply
    87,273,538.88x = 189,869,762.25 × 189,869,762.25
  4. Step 4: Simplify right side
    87,273,538.88x = 36,050,526,616,871,528
  5. Step 5: Solve for x
    x = 36,050,526,616,871,528/87,273,538.88
  6. Step 6: Final answer
    x = 413,075,109.38

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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.