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Finding the Third Proportional to 153,130,932 and 235,373,316

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Solution

The third proportional to 153,130,932 and 235,373,316 is: 361,785,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,130,932 : 235,373,316 = 235,373,316 : x
  2. Step 2: Convert to fraction form
    153,130,932/235,373,316 = 235,373,316/x
  3. Step 3: Cross multiply
    153,130,932x = 235,373,316 × 235,373,316
  4. Step 4: Simplify right side
    153,130,932x = 55,400,597,884,835,856
  5. Step 5: Solve for x
    x = 55,400,597,884,835,856/153,130,932
  6. Step 6: Final answer
    x = 361,785,807.49

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.