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Finding the Third Proportional to 611,545.50 and 899,343

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Solution

The third proportional to 611,545.50 and 899,343 is: 1,322,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,545.50 : 899,343 = 899,343 : x
  2. Step 2: Convert to fraction form
    611,545.50/899,343 = 899,343/x
  3. Step 3: Cross multiply
    611,545.50x = 899,343 × 899,343
  4. Step 4: Simplify right side
    611,545.50x = 808,817,831,649
  5. Step 5: Solve for x
    x = 808,817,831,649/611,545.50
  6. Step 6: Final answer
    x = 1,322,579.97

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.