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Finding the Third Proportional to 683,330,678 and 1,020,518,210.50

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Solution

The third proportional to 683,330,678 and 1,020,518,210.50 is: 1,524,089,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,330,678 : 1,020,518,210.50 = 1,020,518,210.50 : x
  2. Step 2: Convert to fraction form
    683,330,678/1,020,518,210.50 = 1,020,518,210.50/x
  3. Step 3: Cross multiply
    683,330,678x = 1,020,518,210.50 × 1,020,518,210.50
  4. Step 4: Simplify right side
    683,330,678x = 1,041,457,417,962,122,368
  5. Step 5: Solve for x
    x = 1,041,457,417,962,122,368/683,330,678
  6. Step 6: Final answer
    x = 1,524,089,948.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.