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Finding the Third Proportional to 153,505,563 and 250,634,235

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Solution

The third proportional to 153,505,563 and 250,634,235 is: 409,219,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,505,563 : 250,634,235 = 250,634,235 : x
  2. Step 2: Convert to fraction form
    153,505,563/250,634,235 = 250,634,235/x
  3. Step 3: Cross multiply
    153,505,563x = 250,634,235 × 250,634,235
  4. Step 4: Simplify right side
    153,505,563x = 62,817,519,754,035,224
  5. Step 5: Solve for x
    x = 62,817,519,754,035,224/153,505,563
  6. Step 6: Final answer
    x = 409,219,825.83

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.