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Finding the Third Proportional to 66,306,730 and 139,484,596

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Solution

The third proportional to 66,306,730 and 139,484,596 is: 293,423,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,306,730 : 139,484,596 = 139,484,596 : x
  2. Step 2: Convert to fraction form
    66,306,730/139,484,596 = 139,484,596/x
  3. Step 3: Cross multiply
    66,306,730x = 139,484,596 × 139,484,596
  4. Step 4: Simplify right side
    66,306,730x = 19,455,952,521,283,216
  5. Step 5: Solve for x
    x = 19,455,952,521,283,216/66,306,730
  6. Step 6: Final answer
    x = 293,423,495.95

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.