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Finding the Third Proportional to 29,163,312 and 63,819,072

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Solution

The third proportional to 29,163,312 and 63,819,072 is: 139,657,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,163,312 : 63,819,072 = 63,819,072 : x
  2. Step 2: Convert to fraction form
    29,163,312/63,819,072 = 63,819,072/x
  3. Step 3: Cross multiply
    29,163,312x = 63,819,072 × 63,819,072
  4. Step 4: Simplify right side
    29,163,312x = 4,072,873,950,941,184
  5. Step 5: Solve for x
    x = 4,072,873,950,941,184/29,163,312
  6. Step 6: Final answer
    x = 139,657,455.61

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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.