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Finding the Third Proportional to 144,346,139 and 208,555,288

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Solution

The third proportional to 144,346,139 and 208,555,288 is: 301,326,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,346,139 : 208,555,288 = 208,555,288 : x
  2. Step 2: Convert to fraction form
    144,346,139/208,555,288 = 208,555,288/x
  3. Step 3: Cross multiply
    144,346,139x = 208,555,288 × 208,555,288
  4. Step 4: Simplify right side
    144,346,139x = 43,495,308,152,762,944
  5. Step 5: Solve for x
    x = 43,495,308,152,762,944/144,346,139
  6. Step 6: Final answer
    x = 301,326,439.72

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.