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Finding the Third Proportional to 221,089,800 and 473,237,460

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Solution

The third proportional to 221,089,800 and 473,237,460 is: 1,012,953,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,089,800 : 473,237,460 = 473,237,460 : x
  2. Step 2: Convert to fraction form
    221,089,800/473,237,460 = 473,237,460/x
  3. Step 3: Cross multiply
    221,089,800x = 473,237,460 × 473,237,460
  4. Step 4: Simplify right side
    221,089,800x = 223,953,693,547,251,584
  5. Step 5: Solve for x
    x = 223,953,693,547,251,584/221,089,800
  6. Step 6: Final answer
    x = 1,012,953,530.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.