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Finding the Third Proportional to 60,401,436.75 and 90,608,716.13

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Solution

The third proportional to 60,401,436.75 and 90,608,716.13 is: 135,922,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,401,436.75 : 90,608,716.13 = 90,608,716.13 : x
  2. Step 2: Convert to fraction form
    60,401,436.75/90,608,716.13 = 90,608,716.13/x
  3. Step 3: Cross multiply
    60,401,436.75x = 90,608,716.13 × 90,608,716.13
  4. Step 4: Simplify right side
    60,401,436.75x = 8,209,939,437,820,835
  5. Step 5: Solve for x
    x = 8,209,939,437,820,835/60,401,436.75
  6. Step 6: Final answer
    x = 135,922,916.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.