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Finding the Third Proportional to 65,643,646.50 and 142,846,317

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Solution

The third proportional to 65,643,646.50 and 142,846,317 is: 310,846,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,643,646.50 : 142,846,317 = 142,846,317 : x
  2. Step 2: Convert to fraction form
    65,643,646.50/142,846,317 = 142,846,317/x
  3. Step 3: Cross multiply
    65,643,646.50x = 142,846,317 × 142,846,317
  4. Step 4: Simplify right side
    65,643,646.50x = 20,405,070,280,464,488
  5. Step 5: Solve for x
    x = 20,405,070,280,464,488/65,643,646.50
  6. Step 6: Final answer
    x = 310,846,081.36

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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.