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Finding the Third Proportional to 72,855,185 and 118,953,367

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Solution

The third proportional to 72,855,185 and 118,953,367 is: 194,219,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,855,185 : 118,953,367 = 118,953,367 : x
  2. Step 2: Convert to fraction form
    72,855,185/118,953,367 = 118,953,367/x
  3. Step 3: Cross multiply
    72,855,185x = 118,953,367 × 118,953,367
  4. Step 4: Simplify right side
    72,855,185x = 14,149,903,520,636,688
  5. Step 5: Solve for x
    x = 14,149,903,520,636,688/72,855,185
  6. Step 6: Final answer
    x = 194,219,581.22

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.