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Finding the Third Proportional to 40,605,871 and 87,683,622

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Solution

The third proportional to 40,605,871 and 87,683,622 is: 189,342,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605,871 : 87,683,622 = 87,683,622 : x
  2. Step 2: Convert to fraction form
    40,605,871/87,683,622 = 87,683,622/x
  3. Step 3: Cross multiply
    40,605,871x = 87,683,622 × 87,683,622
  4. Step 4: Simplify right side
    40,605,871x = 7,688,417,567,038,884
  5. Step 5: Solve for x
    x = 7,688,417,567,038,884/40,605,871
  6. Step 6: Final answer
    x = 189,342,510.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.