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Finding the Third Proportional to 29,153,690 and 63,782,460

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Solution

The third proportional to 29,153,690 and 63,782,460 is: 139,543,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,153,690 : 63,782,460 = 63,782,460 : x
  2. Step 2: Convert to fraction form
    29,153,690/63,782,460 = 63,782,460/x
  3. Step 3: Cross multiply
    29,153,690x = 63,782,460 × 63,782,460
  4. Step 4: Simplify right side
    29,153,690x = 4,068,202,203,651,600
  5. Step 5: Solve for x
    x = 4,068,202,203,651,600/29,153,690
  6. Step 6: Final answer
    x = 139,543,303.22

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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.