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Finding the Third Proportional to 218,819,612 and 346,495,316

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Solution

The third proportional to 218,819,612 and 346,495,316 is: 548,666,561.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,819,612 : 346,495,316 = 346,495,316 : x
  2. Step 2: Convert to fraction form
    218,819,612/346,495,316 = 346,495,316/x
  3. Step 3: Cross multiply
    218,819,612x = 346,495,316 × 346,495,316
  4. Step 4: Simplify right side
    218,819,612x = 120,059,004,009,939,856
  5. Step 5: Solve for x
    x = 120,059,004,009,939,856/218,819,612
  6. Step 6: Final answer
    x = 548,666,561.07

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.