Home / 91,491,459.19-139,381,382.81

Finding the Third Proportional to 91,491,459.19 and 139,381,382.81

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Solution

The third proportional to 91,491,459.19 and 139,381,382.81 is: 212,338,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,491,459.19 : 139,381,382.81 = 139,381,382.81 : x
  2. Step 2: Convert to fraction form
    91,491,459.19/139,381,382.81 = 139,381,382.81/x
  3. Step 3: Cross multiply
    91,491,459.19x = 139,381,382.81 × 139,381,382.81
  4. Step 4: Simplify right side
    91,491,459.19x = 19,427,169,874,724,672
  5. Step 5: Solve for x
    x = 19,427,169,874,724,672/91,491,459.19
  6. Step 6: Final answer
    x = 212,338,616.60

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.