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Finding the Third Proportional to 45,312,372 and 69,688,836

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Solution

The third proportional to 45,312,372 and 69,688,836 is: 107,178,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,312,372 : 69,688,836 = 69,688,836 : x
  2. Step 2: Convert to fraction form
    45,312,372/69,688,836 = 69,688,836/x
  3. Step 3: Cross multiply
    45,312,372x = 69,688,836 × 69,688,836
  4. Step 4: Simplify right side
    45,312,372x = 4,856,533,863,034,896
  5. Step 5: Solve for x
    x = 4,856,533,863,034,896/45,312,372
  6. Step 6: Final answer
    x = 107,178,981.12

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.