Home / 145,347,184.69-318,943,559.81

Finding the Third Proportional to 145,347,184.69 and 318,943,559.81

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Solution

The third proportional to 145,347,184.69 and 318,943,559.81 is: 699,875,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,347,184.69 : 318,943,559.81 = 318,943,559.81 : x
  2. Step 2: Convert to fraction form
    145,347,184.69/318,943,559.81 = 318,943,559.81/x
  3. Step 3: Cross multiply
    145,347,184.69x = 318,943,559.81 × 318,943,559.81
  4. Step 4: Simplify right side
    145,347,184.69x = 101,724,994,345,869,760
  5. Step 5: Solve for x
    x = 101,724,994,345,869,760/145,347,184.69
  6. Step 6: Final answer
    x = 699,875,918.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.