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Finding the Third Proportional to 64,982,644.50 and 142,718,010

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Solution

The third proportional to 64,982,644.50 and 142,718,010 is: 313,444,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,982,644.50 : 142,718,010 = 142,718,010 : x
  2. Step 2: Convert to fraction form
    64,982,644.50/142,718,010 = 142,718,010/x
  3. Step 3: Cross multiply
    64,982,644.50x = 142,718,010 × 142,718,010
  4. Step 4: Simplify right side
    64,982,644.50x = 20,368,430,378,360,100
  5. Step 5: Solve for x
    x = 20,368,430,378,360,100/64,982,644.50
  6. Step 6: Final answer
    x = 313,444,159.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.