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Finding the Third Proportional to 15,974,554 and 34,989,840

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Solution

The third proportional to 15,974,554 and 34,989,840 is: 76,639,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974,554 : 34,989,840 = 34,989,840 : x
  2. Step 2: Convert to fraction form
    15,974,554/34,989,840 = 34,989,840/x
  3. Step 3: Cross multiply
    15,974,554x = 34,989,840 × 34,989,840
  4. Step 4: Simplify right side
    15,974,554x = 1,224,288,903,225,600
  5. Step 5: Solve for x
    x = 1,224,288,903,225,600/15,974,554
  6. Step 6: Final answer
    x = 76,639,942.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.