Home / 83,637,821.81-181,173,669.19

Finding the Third Proportional to 83,637,821.81 and 181,173,669.19

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Solution

The third proportional to 83,637,821.81 and 181,173,669.19 is: 392,452,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,637,821.81 : 181,173,669.19 = 181,173,669.19 : x
  2. Step 2: Convert to fraction form
    83,637,821.81/181,173,669.19 = 181,173,669.19/x
  3. Step 3: Cross multiply
    83,637,821.81x = 181,173,669.19 × 181,173,669.19
  4. Step 4: Simplify right side
    83,637,821.81x = 32,823,898,406,861,688
  5. Step 5: Solve for x
    x = 32,823,898,406,861,688/83,637,821.81
  6. Step 6: Final answer
    x = 392,452,812.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.