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Finding the Third Proportional to 216,899,064 and 330,430,819

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Solution

The third proportional to 216,899,064 and 330,430,819 is: 503,388,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,899,064 : 330,430,819 = 330,430,819 : x
  2. Step 2: Convert to fraction form
    216,899,064/330,430,819 = 330,430,819/x
  3. Step 3: Cross multiply
    216,899,064x = 330,430,819 × 330,430,819
  4. Step 4: Simplify right side
    216,899,064x = 109,184,526,145,010,768
  5. Step 5: Solve for x
    x = 109,184,526,145,010,768/216,899,064
  6. Step 6: Final answer
    x = 503,388,646.00

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.