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Finding the Third Proportional to 151,628,729.63 and 216,681,399

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Solution

The third proportional to 151,628,729.63 and 216,681,399 is: 309,643,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,628,729.63 : 216,681,399 = 216,681,399 : x
  2. Step 2: Convert to fraction form
    151,628,729.63/216,681,399 = 216,681,399/x
  3. Step 3: Cross multiply
    151,628,729.63x = 216,681,399 × 216,681,399
  4. Step 4: Simplify right side
    151,628,729.63x = 46,950,828,672,597,200
  5. Step 5: Solve for x
    x = 46,950,828,672,597,200/151,628,729.63
  6. Step 6: Final answer
    x = 309,643,355.77

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.