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Finding the Third Proportional to 58,624,821 and 78,157,530

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Solution

The third proportional to 58,624,821 and 78,157,530 is: 104,198,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,624,821 : 78,157,530 = 78,157,530 : x
  2. Step 2: Convert to fraction form
    58,624,821/78,157,530 = 78,157,530/x
  3. Step 3: Cross multiply
    58,624,821x = 78,157,530 × 78,157,530
  4. Step 4: Simplify right side
    58,624,821x = 6,108,599,495,700,900
  5. Step 5: Solve for x
    x = 6,108,599,495,700,900/58,624,821
  6. Step 6: Final answer
    x = 104,198,177.35

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.