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Finding the Third Proportional to 72,730,261.13 and 161,603,039.25

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Solution

The third proportional to 72,730,261.13 and 161,603,039.25 is: 359,073,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,730,261.13 : 161,603,039.25 = 161,603,039.25 : x
  2. Step 2: Convert to fraction form
    72,730,261.13/161,603,039.25 = 161,603,039.25/x
  3. Step 3: Cross multiply
    72,730,261.13x = 161,603,039.25 × 161,603,039.25
  4. Step 4: Simplify right side
    72,730,261.13x = 26,115,542,294,837,040
  5. Step 5: Solve for x
    x = 26,115,542,294,837,040/72,730,261.13
  6. Step 6: Final answer
    x = 359,073,952.04

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.