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Finding the Third Proportional to 30,012,131.25 and 64,574,316

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Solution

The third proportional to 30,012,131.25 and 64,574,316 is: 138,938,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012,131.25 : 64,574,316 = 64,574,316 : x
  2. Step 2: Convert to fraction form
    30,012,131.25/64,574,316 = 64,574,316/x
  3. Step 3: Cross multiply
    30,012,131.25x = 64,574,316 × 64,574,316
  4. Step 4: Simplify right side
    30,012,131.25x = 4,169,842,286,867,856
  5. Step 5: Solve for x
    x = 4,169,842,286,867,856/30,012,131.25
  6. Step 6: Final answer
    x = 138,938,559.62

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.