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Finding the Third Proportional to 19,465,785 and 42,009,266.25

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Solution

The third proportional to 19,465,785 and 42,009,266.25 is: 90,660,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465,785 : 42,009,266.25 = 42,009,266.25 : x
  2. Step 2: Convert to fraction form
    19,465,785/42,009,266.25 = 42,009,266.25/x
  3. Step 3: Cross multiply
    19,465,785x = 42,009,266.25 × 42,009,266.25
  4. Step 4: Simplify right side
    19,465,785x = 1,764,778,450,863,389
  5. Step 5: Solve for x
    x = 1,764,778,450,863,389/19,465,785
  6. Step 6: Final answer
    x = 90,660,533.39

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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.