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Finding the Third Proportional to 4,478,237,336 and 9,717,684,808

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Solution

The third proportional to 4,478,237,336 and 9,717,684,808 is: 21,087,180,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478,237,336 : 9,717,684,808 = 9,717,684,808 : x
  2. Step 2: Convert to fraction form
    4,478,237,336/9,717,684,808 = 9,717,684,808/x
  3. Step 3: Cross multiply
    4,478,237,336x = 9,717,684,808 × 9,717,684,808
  4. Step 4: Simplify right side
    4,478,237,336x = 94,433,398,027,633,999,872
  5. Step 5: Solve for x
    x = 94,433,398,027,633,999,872/4,478,237,336
  6. Step 6: Final answer
    x = 21,087,180,277.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.