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Finding the Third Proportional to 143,992,308 and 310,968,621

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Solution

The third proportional to 143,992,308 and 310,968,621 is: 671,573,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,992,308 : 310,968,621 = 310,968,621 : x
  2. Step 2: Convert to fraction form
    143,992,308/310,968,621 = 310,968,621/x
  3. Step 3: Cross multiply
    143,992,308x = 310,968,621 × 310,968,621
  4. Step 4: Simplify right side
    143,992,308x = 96,701,483,246,641,648
  5. Step 5: Solve for x
    x = 96,701,483,246,641,648/143,992,308
  6. Step 6: Final answer
    x = 671,573,951.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.