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Finding the Third Proportional to 143,478,039 and 228,411,976.50

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Solution

The third proportional to 143,478,039 and 228,411,976.50 is: 363,623,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,478,039 : 228,411,976.50 = 228,411,976.50 : x
  2. Step 2: Convert to fraction form
    143,478,039/228,411,976.50 = 228,411,976.50/x
  3. Step 3: Cross multiply
    143,478,039x = 228,411,976.50 × 228,411,976.50
  4. Step 4: Simplify right side
    143,478,039x = 52,172,031,008,636,552
  5. Step 5: Solve for x
    x = 52,172,031,008,636,552/143,478,039
  6. Step 6: Final answer
    x = 363,623,808.72

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.