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Finding the Third Proportional to 21,009,111.75 and 31,806,837

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Solution

The third proportional to 21,009,111.75 and 31,806,837 is: 48,154,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,009,111.75 : 31,806,837 = 31,806,837 : x
  2. Step 2: Convert to fraction form
    21,009,111.75/31,806,837 = 31,806,837/x
  3. Step 3: Cross multiply
    21,009,111.75x = 31,806,837 × 31,806,837
  4. Step 4: Simplify right side
    21,009,111.75x = 1,011,674,879,944,569
  5. Step 5: Solve for x
    x = 1,011,674,879,944,569/21,009,111.75
  6. Step 6: Final answer
    x = 48,154,100.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.