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Finding the Third Proportional to 65,566,228.50 and 142,998,417

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Solution

The third proportional to 65,566,228.50 and 142,998,417 is: 311,876,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,566,228.50 : 142,998,417 = 142,998,417 : x
  2. Step 2: Convert to fraction form
    65,566,228.50/142,998,417 = 142,998,417/x
  3. Step 3: Cross multiply
    65,566,228.50x = 142,998,417 × 142,998,417
  4. Step 4: Simplify right side
    65,566,228.50x = 20,448,547,264,505,888
  5. Step 5: Solve for x
    x = 20,448,547,264,505,888/65,566,228.50
  6. Step 6: Final answer
    x = 311,876,216.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.