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Finding the Third Proportional to 64,877,096 and 90,702,156

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Solution

The third proportional to 64,877,096 and 90,702,156 is: 126,807,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877,096 : 90,702,156 = 90,702,156 : x
  2. Step 2: Convert to fraction form
    64,877,096/90,702,156 = 90,702,156/x
  3. Step 3: Cross multiply
    64,877,096x = 90,702,156 × 90,702,156
  4. Step 4: Simplify right side
    64,877,096x = 8,226,881,103,048,336
  5. Step 5: Solve for x
    x = 8,226,881,103,048,336/64,877,096
  6. Step 6: Final answer
    x = 126,807,172.49

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.