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Finding the Third Proportional to 63,684,381 and 139,292,823

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Solution

The third proportional to 63,684,381 and 139,292,823 is: 304,666,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,684,381 : 139,292,823 = 139,292,823 : x
  2. Step 2: Convert to fraction form
    63,684,381/139,292,823 = 139,292,823/x
  3. Step 3: Cross multiply
    63,684,381x = 139,292,823 × 139,292,823
  4. Step 4: Simplify right side
    63,684,381x = 19,402,490,539,309,328
  5. Step 5: Solve for x
    x = 19,402,490,539,309,328/63,684,381
  6. Step 6: Final answer
    x = 304,666,391.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.