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Finding the Third Proportional to 172,630,728 and 369,884,853

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Solution

The third proportional to 172,630,728 and 369,884,853 is: 792,528,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,630,728 : 369,884,853 = 369,884,853 : x
  2. Step 2: Convert to fraction form
    172,630,728/369,884,853 = 369,884,853/x
  3. Step 3: Cross multiply
    172,630,728x = 369,884,853 × 369,884,853
  4. Step 4: Simplify right side
    172,630,728x = 136,814,804,478,831,616
  5. Step 5: Solve for x
    x = 136,814,804,478,831,616/172,630,728
  6. Step 6: Final answer
    x = 792,528,688.63

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.